Domain-defined attribute
[计] 域定属性
🧩 词语组成解析
a. 清晰的, 轮廓分明的；有定义的, 确定的
🗣️ 情景例句
since her mother died.
因为她妈妈去世了。
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
No problem!
没问题！